that's because they are either players themselves and thus can appreciate the game itself (and are in great shape on top of that) or their husbands are fucking rich (world cup tickets + travel ain't cheap) and we all know what kind of women are attracted to wealth. that's not to say that women can't be fans - just in my experience the hardcore women who are passionate about the sport that don't fit the other two cases are just... average. sorry but it's true.